Video disc having an aspect ratio information and video disc player having an aspect ratio converting function
US6463210B1 · kind B1 · utility
10Cited by
11References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 14, 2000 |
| Grant date | Oct 8, 2002 |
| Priority date | — |
| Expiry date | Aug 14, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/85
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Image information is reproduced in respectively correspondence to monitors of different aspect ratios as in the NTSC system or HDTV system adaptive type. The image information recorded on a video disc is reproduced. An ID signal held in the video disc is detected. The aspect ratio of the image information to be generated is designated. Only when the aspect ratio indicated by the detected ID signal differs from the designated aspect ratio, the reproduced image information is converted into the image information of the designated aspect ratio. A standardized image signal is produced on the basis of the converted image information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.